package models

import (
	"errors"
	"fmt"
	"github.com/astaxie/beego"
	"github.com/astaxie/beego/orm"
	"gitee.com/lzqysoft/ims/libs/cache"
	"reflect"
	"strings"
	"time"
)

type Tempitem struct {
	Id       string    `orm:"column(id);pk"`
	TempId   string    `orm:"column(temp_id)"`
	ProdId   string    `orm:"column(prod_id)"`
	Count    int       `orm:"column(count)"`
	Remark   string    `orm:"column(remark);null"`
	Status   int       `orm:"column(status)"`
	Isdelete int       `orm:"column(isdelete)"`
	Ctime    time.Time `orm:"column(ctime);type(timestamp with time zone)"`
	Creater  string    `orm:"column(creater);null"`
	Utime    time.Time `orm:"column(utime);type(timestamp with time zone)"`
	Updater  string    `orm:"column(updater);null"`
}

func (t *Tempitem) TableName() string {
	return "yjk_tempitem"
}

func init() {
	orm.RegisterModel(new(Tempitem))
}

// AddTempitem insert a new Tempitem into database and returns
// last inserted Id on success.
func AddTempitem(m *Tempitem) (id int64, err error) {
	o := orm.NewOrm()
	id, err = o.Insert(m)
	return
}

// GetTempitemById retrieves Tempitem by Id. Returns error if
// Id doesn't exist
func GetTempitemById(id string) (v *Tempitem, err error) {
	o := orm.NewOrm()
	v = &Tempitem{Id: id}
	if err = o.Read(v); err == nil {
		return v, nil
	}
	return nil, err
}

// GetTempitemByTemp 根模板获取详细
func GetTempitemByTemp(id string) (ml []interface{}, err error) {
	cid := "GetTempitemByTemp" + id
	err = cache.GetCache("cid", &ml)
	if err != nil {
		o := orm.NewOrm()
		// sql := "SELECT * from yjk_tempitem a INNER JOIN yjk_prod b" +
		// 	"	on a.prod_id=b.id	where a.temp_id= ?"
		qs := o.QueryTable(new(Tempitem)).Filter("Status", 1).Filter("Isdelete", 0)
		var ti []Tempitem
		_, err = qs.Filter("TempId", id).Limit(-1).All(&ti)
		for _, v := range ti {
			m := make(map[string]interface{})
			p, _ := GetProdById(v.ProdId)
			m["Id"] = v.Id
			m["Remark"] = v.Remark
			m["ProdId"] = v.ProdId
			m["Name"] = p.Name
			m["Model"] = p.Model
			m["Spec"] = p.Spec
			m["Price"] = p.Price
			m["Count"] = v.Count
			m["TempId"] = v.TempId
			ml = append(ml, m)
		}
		cache_expire, _ := beego.AppConfig.Int("cache_expire")
		cache.SetCache(cid, ml, cache_expire)
	}
	return
}

// GetAllTempitem retrieves all Tempitem matches certain condition. Returns empty list if
// no records exist
func GetAllTempitem(query map[string]string, fields []string, sortby []string, order []string,
	offset int64, limit int64) (ml []interface{}, err error) {
	o := orm.NewOrm()
	qs := o.QueryTable(new(Tempitem))
	// query k=v
	for k, v := range query {
		// rewrite dot-notation to Object__Attribute
		k = strings.Replace(k, ".", "__", -1)
		if strings.Contains(k, "isnull") {
			qs = qs.Filter(k, (v == "true" || v == "1"))
		} else {
			qs = qs.Filter(k, v)
		}
	}
	// order by:
	var sortFields []string
	if len(sortby) != 0 {
		if len(sortby) == len(order) {
			// 1) for each sort field, there is an associated order
			for i, v := range sortby {
				orderby := ""
				if order[i] == "desc" {
					orderby = "-" + v
				} else if order[i] == "asc" {
					orderby = v
				} else {
					return nil, errors.New("Error: Invalid order. Must be either [asc|desc]")
				}
				sortFields = append(sortFields, orderby)
			}
			qs = qs.OrderBy(sortFields...)
		} else if len(sortby) != len(order) && len(order) == 1 {
			// 2) there is exactly one order, all the sorted fields will be sorted by this order
			for _, v := range sortby {
				orderby := ""
				if order[0] == "desc" {
					orderby = "-" + v
				} else if order[0] == "asc" {
					orderby = v
				} else {
					return nil, errors.New("Error: Invalid order. Must be either [asc|desc]")
				}
				sortFields = append(sortFields, orderby)
			}
		} else if len(sortby) != len(order) && len(order) != 1 {
			return nil, errors.New("Error: 'sortby', 'order' sizes mismatch or 'order' size is not 1")
		}
	} else {
		if len(order) != 0 {
			return nil, errors.New("Error: unused 'order' fields")
		}
	}

	var l []Tempitem
	qs = qs.OrderBy(sortFields...)
	if _, err = qs.Limit(limit, offset).All(&l, fields...); err == nil {
		if len(fields) == 0 {
			for _, v := range l {
				ml = append(ml, v)
			}
		} else {
			// trim unused fields
			for _, v := range l {
				m := make(map[string]interface{})
				val := reflect.ValueOf(v)
				for _, fname := range fields {
					m[fname] = val.FieldByName(fname).Interface()
				}
				ml = append(ml, m)
			}
		}
		return ml, nil
	}
	return nil, err
}

// UpdateTempitem updates Tempitem by Id and returns error if
// the record to be updated doesn't exist
func UpdateTempitemById(m *Tempitem) (err error) {
	o := orm.NewOrm()
	v := Tempitem{Id: m.Id}
	// ascertain id exists in the database
	if err = o.Read(&v); err == nil {
		var num int64
		if num, err = o.Update(m); err == nil {
			fmt.Println("Number of records updated in database:", num)
		}
	}
	return
}

// DeleteTempitem deletes Tempitem by Id and returns error if
// the record to be deleted doesn't exist
func DeleteTempitem(id string) (err error) {
	o := orm.NewOrm()
	v := Tempitem{Id: id}
	// ascertain id exists in the database
	if err = o.Read(&v); err == nil {
		var num int64
		if num, err = o.Delete(&Tempitem{Id: id}); err == nil {
			fmt.Println("Number of records deleted in database:", num)
		}
	}
	return
}

// DeleteTempitemByTemp 删除 Tempitem by TempId and returns error
func DeleteTempitemByTemp(id string) (err error) {
	o := orm.NewOrm()
	qs := o.QueryTable(new(Tempitem))
	_, err = qs.Filter("TempId", id).Delete()
	return
}
